I don't think so since she is in her new T.V. show 10 Things I Hate About You...
There isn't going to BE a 4th season. Why? Because Nickolodean sucks and has budget issues and won't let them do it.
It will not air as it has been canceled.
you can try youtube or try to google it
Nova - 1974 Sputnik Declassified 35-4 was released on: USA: 6 November 2007
Ned's Declassified School Survival Guide - 2004 Seating and Tryouts 1-4 is rated/received certificates of: Australia:G
Declassified - 2004 The Secrets of WWI 1-12 was released on: USA: 4 May 2006
Ned's Declassified School Survival Guide - 2004 Notebooks and Math 2-4 was released on: USA: 22 October 2005
Ned's Declassified School Survival Guide - 2004 Seating and Tryouts 1-4 was released on: USA: 3 October 2004
Ned's Declassified School Survival Guide - 2004 Popularity and Stressin' Out 3-4 was released on: USA: 15 October 2006 Germany: 29 April 2007
Ned's Declassified School Survival Guide - 2004 Asking Someone Out and Recycling 2-12 was released on: USA: 4 March 2006
This is season 4
No there won't. Nickelodeon announced that season 4 would be the last season and no new episodes would be produced after that.
season 4 99% sure